<template>
   <div class="wrap clearfix">
    <div class="location">当前位置：首页<span>&gt;</span><b class="red">购物车</b></div>
    <table width="100%" class="cartTable" cellspacing="0" cellpadding="10px">
      <!-- 首行 -->
      <tr class="title">
        <td width="50"><input type="checkbox" name="" class="choose_all"  v-model="selectedAll" ></td>
        <td width="100" class=""><span style="margin-left: -10px;">全选</span></td>
        <td width="400">商品信息</td>
        <td width="150">单价（元）</td>
        <td width="150">数量</td>
        <td width="150">金额（元）</td>
        <td width="80">操作</td>
      </tr>

      <!-- 商品具体信息 -->
      <tr class="row" v-for="item in list" :key="item.id">
        <td><input v-model="item.isSelected" type="checkbox" name="" class="choose"></td>
        <td class="tal"><a href="#" class="pic"></a>
        </td>
        <td class="tal"><a href="#">{{ item.name }}</a></td>
        <td>
          <del class="tdl">{{ item.oldPrice }}</del>
          <br>
          <b class="unit">{{ item.price }}</b>
        </td>
        <td>
          <div class="amount">
            <a href="#" class="Increase" @click.prevent="item.count++">+</a>
            <input type="text" value="1" class="unum" v-model="item.count">
            <a href="#" class="Reduce" @click.prevent="item.count>0&&item.count--">-</a>
          </div>
        </td>
        <td><b class="u-price">{{item.price*item.count}}</b></td>
        <td><a href="#" class="btn-del" @click="delList(item.id)">删除</a></td>
      </tr>
      <tr class="count">
        <td colspan="7">
          <div class="jiesuan clearfix">
            <div class="left fl">
              <p><input type="checkbox" name="" class="choose_all" v-model="selectedAll"> 全选&nbsp;&nbsp;&nbsp;<a href="#" class="del_check" @click="chooseDel">删除选中商品</a></p>
            </div>
            <div class="right fr clearfix">
              <p>商品总计：￥{{priceAll}}</p>
              <p>活动优惠：-￥{{cheapAll}}</p>
              <p>已选商品<span class="red t-number">{{countAll}} </span>件 总价(不含运费、税费)：<span class="red t-price">￥{{totalAll}}</span></p>
              <!-- <div><a href="#" class="btn pay">结算</a></div> -->
              <a href="#" class="btn pay fr">结算</a>
            </div>
          </div>
        </td>
      </tr>
    </table>
  </div>
</template>

<script>
export default {
  name: 'MyTable',
  props: {
    list:Array

    
  },
  components: {},
  data() {
    return {}
  },
  methods: {
      //删除按钮
  delList(id){
    this.$emit('delList',id)
    //  
  },
  chooseDel(){
    this.$emit('chooseDel')
    //
  }
  },
 
  watch: {},
  computed: {
     //全选按钮
      selectedAll:{
            get(){
              return this.list.every(item =>item.isSelected === true)
            },
            set(value){
             this.list.forEach(item =>item.isSelected =value)
            },
           
      },
      //优惠后的价格
       totalAll(){
                 const choosePrice=  this.list.filter(item =>item.isSelected)
              return   choosePrice.reduce((prev,item) =>prev+(item.price*item.count),0)
            },
          //原价
         priceAll(){
           const choosePrice=  this.list.filter(item =>item.isSelected)
          return choosePrice.reduce((prev,item) =>prev+(item.oldPrice*item.count),0)
         } ,
         //优惠价格
         cheapAll(){
          return this.priceAll -this.totalAll
         },
         //全部商品数量
         countAll(){
          const choosePrice= this.list.filter(item =>item.isSelected)
          return  choosePrice.reduce((prev,item) =>prev+item.count,0)
         }
  },
  
}
</script>

<style scoped lang="less">
.clearfix {
  content: '';
  display: block;
  clear: both;
}

.red {
  color: #f30213;
}

.fl {
  float: left;
}

.fr {
  float: right;
}

/* 清除默认样式 */
* {
  margin: 0px;
  padding: 0px;
  font-size: 14px;
}

a {
  text-decoration: none;
  color: #333;
}

input {
  outline: none;
}

.wrap {
  width: 1180px;
  margin: 0 auto;
}

.wrap .location {
  padding: 10px 0;
  border-bottom: 1px solid #ccc;
  margin-bottom: 20px;
}

.cartTable {
  border: 1px solid #ccc;

}

.cartTable tr.title {
  background-color: rgb(241, 243, 244);
  font-weight: bold;
}

.cartTable tbody tr td {
  /* border: 1px solid rgb(245, 245, 245); */
  padding: 10px;
}

/* 原价 */
.cartTable tbody tr td .tdl {
  text-decoration: line-through;
  color: #999;
}

/* 商品数量 */
.cartTable tr .amount .unum {
  width: 70px;
  height: 30px;
  box-sizing: border-box;
  text-align: center;
  font-size: 16px;
  float: left;
}

/* 数量加减按钮 */
.cartTable tr .amount a {
  display: block;
  width: 30px;
  height: 30px;
  line-height: 30px;
  text-align: center;
  font-size: 18px;
  border: 1px solid #ccc;
  box-sizing: border-box;
}

.cartTable tr .amount a.Increase {
  border-right: none;
  float: left;
}

.cartTable tr .amount a.Reduce {
  border-left: none;
  float: left;
}

.cartTable tr.count .jiesuan .right {
  text-align: right;

}

.cartTable tr.count .jiesuan .right p {
  margin: 5px 0;
}

.cartTable tr.count .jiesuan .right .pay {
  display: block;
  width: 160px;
  height: 50px;
  line-height: 50px;
  background-color: #f30213;
  color: #fff;
  font-weight: bold;
  text-align: center;
  font-size: 20px;
}</style>
